TypeError: slice indices must be integers or None or have an __index__ method

[SeekPoint]

mldl@mldlUB1604:~/ub16_prj/bci-challenge-ner-2015/preproc$ python preproc.py ../data/train/Data_S02_Sess01.csv Traceback (most recent call last): File "preproc.py", line 60, in X.append(sigF[idx:idx+epoc_window,:]) TypeError: slice indices must be integers or None or have an index method

[NayhaShahid]

I'm having the same error. Does anyone know the solution?

[okbalefthanded]

epoc_window is a real value, whereas the indices must be integer values, so a simple solution is to convert the epoc_window type by calling int function: int(epoc_window).